#interstellar #comet #Borisov's path through the sky as it approaches perihelion this weekend.https://t.co/5CISpkVNkq pic.twitter.com/qLh3qRReZr— Tony Dunn (@tony873004) December 6, 2019
#interstellar #comet #Borisov's path through the sky as it approaches perihelion this weekend.https://t.co/5CISpkVNkq pic.twitter.com/qLh3qRReZr